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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A124054 Array(d,n) = number of ordered ways to write n as the sum of d squares less than d, read by rows, through last nonzero value per row.

Table of values

n a(n)
1 1
2 1
3 2
4 1
5 1
6 3
7 3
8 1
9 3
10 6
11 3
12 0
13 3
14 3
15 0
16 0
17 1
18 1
19 4
20 6
21 4
22 5
23 12
24 12
25 4
26 6
27 16
28 18
29 12
30 8
31 16
32 24
33 12
34 1
35 12
36 18
37 12
38 6
39 4
40 12
41 12
42 0
43 0
44 6
45 4
46 4
47 0
48 0
49 4
50 0
51 0
52 0
53 0
54 1
55 1
56 5
57 10
58 10
59 10
60 21
61 30
62 20
63 15
64 35
65 50
66 40
67 30
68 45
69 70
70 60
71 30
72 55
73 100
74 80
75 56

List of values

[1, 1, 2, 1, 1, 3, 3, 1, 3, 6, 3, 0, 3, 3, 0, 0, 1, 1, 4, 6, 4, 5, 12, 12, 4, 6, 16, 18, 12, 8, 16, 24, 12, 1, 12, 18, 12, 6, 4, 12, 12, 0, 0, 6, 4, 4, 0, 0, 4, 0, 0, 0, 0, 1, 1, 5, 10, 10, 10, 21, 30, 20, 15, 35, 50, 40, 30, 45, 70, 60, 30, 55, 100, 80, 56]

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